Title:
STRESS MEASURING DEVICE
Document Type and Number:
Japanese Patent JP2023136696
Kind Code:
A
Abstract:
To provide a stress measuring device with which, even when inserted into a measurement hole, it is possible to read out measured data without relying on wired connection.SOLUTION: The stress measuring device includes a sensor that measures the displacement of a measurement hole that is provided to a natural ground, a data logger that stores the detection data of the sensor, a housing that accommodates the data logger, and an antenna that is provided to the inside or the outside of the housing. The data logger has a transmission and reception circuit, with the antenna connected to the transmission and reception circuit. The housing includes a body that is formed from metal, and a radio wave transmission part that is formed of a material that passes radio waves through. The antenna may be provided to the inside of the housing, or the antenna may be provided to the outside of the housing.SELECTED DRAWING: Figure 1
Inventors:
IKEDA NAO
MURAYAMA HIDEYUKI
FUKUDA DAISUKE
KODAMA JUNICHI
MURAYAMA HIDEYUKI
FUKUDA DAISUKE
KODAMA JUNICHI
Application Number:
JP2022042518A
Publication Date:
September 29, 2023
Filing Date:
March 17, 2022
Export Citation:
Assignee:
FUJITA CORP
UNIV HOKKAIDO
UNIV HOKKAIDO
International Classes:
G01L5/00; E02D1/02; G01L1/00
Attorney, Agent or Firm:
Patent Attorney Corporation Takahashi Hayashi and Partners
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